BR8107728A - PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS - Google Patents
PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONSInfo
- Publication number
- BR8107728A BR8107728A BR8107728A BR8107728A BR8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A
- Authority
- BR
- Brazil
- Prior art keywords
- ammonia
- carbon dioxide
- aqueous solutions
- diluted aqueous
- remove urea
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8006477A NL8006477A (en) | 1980-11-28 | 1980-11-28 | METHOD FOR REMOVING UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTION. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8107728A true BR8107728A (en) | 1982-08-31 |
Family
ID=19836250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8107728A BR8107728A (en) | 1980-11-28 | 1981-11-27 | PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS |
Country Status (33)
Country | Link |
---|---|
US (1) | US4456535A (en) |
EP (1) | EP0053410B1 (en) |
JP (1) | JPS57118011A (en) |
KR (2) | KR830007109A (en) |
AU (1) | AU547371B2 (en) |
BR (1) | BR8107728A (en) |
CA (1) | CA1201726A (en) |
CS (1) | CS227021B2 (en) |
CU (1) | CU21419A (en) |
DE (1) | DE3171612D1 (en) |
ES (1) | ES8301841A1 (en) |
FI (1) | FI74947C (en) |
GR (1) | GR75396B (en) |
HU (1) | HU188717B (en) |
IE (1) | IE53218B1 (en) |
IL (1) | IL64392A (en) |
IN (1) | IN156310B (en) |
MA (1) | MA19335A1 (en) |
MY (1) | MY8600489A (en) |
NL (1) | NL8006477A (en) |
NO (1) | NO154749C (en) |
NZ (1) | NZ199085A (en) |
OA (1) | OA06958A (en) |
PH (1) | PH19196A (en) |
PL (1) | PL134841B1 (en) |
PT (1) | PT74046B (en) |
RO (1) | RO83971B (en) |
SG (1) | SG100285G (en) |
SU (1) | SU1378781A3 (en) |
TR (1) | TR21827A (en) |
YU (1) | YU41999B (en) |
ZA (1) | ZA818269B (en) |
ZW (1) | ZW28781A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4522727A (en) * | 1984-10-22 | 1985-06-11 | Atec Inc. | Process for continuous removal of ammoniacal nitrogen from aqueous streams |
AT388157B (en) * | 1987-07-16 | 1989-05-10 | Vogelbusch Gmbh | METHOD FOR TREATING AMMONIA AND / OR OTHER ODOR-ACTIVE SUBSTANCES AND ORGANICALLY BURNED SOLIDS CONTAINING SOLIDS |
NL8702530A (en) * | 1987-10-23 | 1989-05-16 | Stamicarbon | PROCESS FOR THE PREPARATION OF UREA AND WATER FROM AMMONIA AND CARBON DIOXIDE. |
IT1232670B (en) * | 1989-09-15 | 1992-03-02 | Snam Progetti | PROCEDURE FOR PURIFICATION OF WASTEWATER PRODUCED BY UREA PRODUCTION PLANTS. |
EP0538848A1 (en) * | 1991-10-23 | 1993-04-28 | Urea Casale S.A. | Process and equipment for the hydrolysis of residual urea in the water from urea synthesis plants |
US5525237A (en) * | 1993-12-23 | 1996-06-11 | United Technologies Corporation | Process for removing free and dissolved CO2 from aqueous solutions |
US5518626A (en) * | 1993-12-23 | 1996-05-21 | United Technologies Corporation | Process employing thermally sterilizable aqueous polishing agents |
US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
KR100398799B1 (en) * | 2001-04-04 | 2003-09-19 | 한화석유화학 주식회사 | Process for treating a waste water containing a nitrous organic components |
US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
US7272953B2 (en) * | 2002-01-08 | 2007-09-25 | Masterson James A | Method and apparatus for separating and neutralizing ammonia |
US6755029B2 (en) | 2002-01-08 | 2004-06-29 | Marvin Ralph Bertrand, Jr. | Ammonia separator and neutralizer |
US20040177644A1 (en) * | 2002-01-08 | 2004-09-16 | Masterson James A. | Method and apparatus for separating and neutralizing ammonia |
US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
CN100400430C (en) * | 2006-05-18 | 2008-07-09 | 刘国胜 | Energy saving, purifying and recovering process for urea process condensate |
EP2386346A1 (en) | 2010-05-11 | 2011-11-16 | Stamicarbon B.V. | Process for the reduction of ammonia emissions in a urea manufacturing process |
JP6634342B2 (en) * | 2016-05-24 | 2020-01-22 | 東洋エンジニアリング株式会社 | Method and apparatus for treating urea aqueous solution |
TWI774812B (en) * | 2017-08-11 | 2022-08-21 | 荷蘭商安科智諾貝爾化學國際公司 | Process for converting cyclic alkylene ureas into their corresponding alkylene amines |
DE102019208859A1 (en) * | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Process for the continuous production of pure urea solutions by utilizing process water |
CN111137906A (en) * | 2020-03-13 | 2020-05-12 | 安徽六国化工股份有限公司 | Device and method for treating urea dilute urine solution |
CN112744945A (en) * | 2020-11-30 | 2021-05-04 | 安徽金禾实业股份有限公司 | Method and device for oxidizing and alkaline hydrolyzing sucralose rectification wastewater |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE146751C (en) * | ||||
DE146752C (en) * | ||||
US3390058A (en) * | 1964-06-08 | 1968-06-25 | Toyo Koatsu Ind Inc | Plural stage pressure distillation of urea synthesis effluent with liquified gas addition |
ES318356A1 (en) * | 1964-10-16 | 1966-05-16 | Toyo Koatsu Ind Incorporated | Method of depuration of an effluent in the obtaining of synthetic urea. (Machine-translation by Google Translate, not legally binding) |
US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
JPS5826909B2 (en) * | 1979-09-14 | 1983-06-06 | 東洋エンジニアリング株式会社 | Method for concentrating urea aqueous solution |
-
1980
- 1980-11-28 NL NL8006477A patent/NL8006477A/en not_active Application Discontinuation
-
1981
- 1981-10-31 DE DE8181201233T patent/DE3171612D1/en not_active Expired
- 1981-10-31 EP EP81201233A patent/EP0053410B1/en not_active Expired
- 1981-11-18 IN IN1281/CAL/81A patent/IN156310B/en unknown
- 1981-11-18 PH PH26512A patent/PH19196A/en unknown
- 1981-11-19 MA MA19539A patent/MA19335A1/en unknown
- 1981-11-20 KR KR1019810004531A patent/KR830007109A/en unknown
- 1981-11-20 KR KR1019810004531A patent/KR860000189B1/en active
- 1981-11-23 YU YU2741/81A patent/YU41999B/en unknown
- 1981-11-23 GR GR66599A patent/GR75396B/el unknown
- 1981-11-23 CA CA000390702A patent/CA1201726A/en not_active Expired
- 1981-11-25 TR TR21827A patent/TR21827A/en unknown
- 1981-11-25 JP JP56189055A patent/JPS57118011A/en active Pending
- 1981-11-26 NZ NZ199085A patent/NZ199085A/en unknown
- 1981-11-27 CU CU8135562A patent/CU21419A/en unknown
- 1981-11-27 RO RO105880A patent/RO83971B/en unknown
- 1981-11-27 BR BR8107728A patent/BR8107728A/en unknown
- 1981-11-27 CS CS818787A patent/CS227021B2/en unknown
- 1981-11-27 SU SU813363103A patent/SU1378781A3/en active
- 1981-11-27 IE IE2785/81A patent/IE53218B1/en unknown
- 1981-11-27 IL IL64392A patent/IL64392A/en unknown
- 1981-11-27 PL PL1981234005A patent/PL134841B1/en unknown
- 1981-11-27 HU HU813570A patent/HU188717B/en not_active IP Right Cessation
- 1981-11-27 ZW ZW287/81A patent/ZW28781A1/en unknown
- 1981-11-27 PT PT74046A patent/PT74046B/en unknown
- 1981-11-27 AU AU77941/81A patent/AU547371B2/en not_active Ceased
- 1981-11-27 ZA ZA818269A patent/ZA818269B/en unknown
- 1981-11-27 FI FI813811A patent/FI74947C/en not_active IP Right Cessation
- 1981-11-27 ES ES507512A patent/ES8301841A1/en not_active Expired
- 1981-11-27 NO NO814070A patent/NO154749C/en unknown
- 1981-11-28 OA OA57555A patent/OA06958A/en unknown
- 1981-11-30 US US06/325,922 patent/US4456535A/en not_active Expired - Fee Related
-
1985
- 1985-12-30 SG SG1002/85A patent/SG100285G/en unknown
-
1986
- 1986-12-30 MY MY489/86A patent/MY8600489A/en unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8107728A (en) | PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS | |
BR7800853A (en) | PROCESS FOR REMOVING ACID GASES CONTAINING CARBON DIOXIDE FROM GAS MIXTURES AND Aqueous AMINE SOLUTION | |
ES8101913A1 (en) | Removal of manganese ions from zinc and manganese containing solutions. | |
BR7607656A (en) | PROCESS TO SEPARATE ACID GASES AND AMMONIA FROM YOUR SOLUTIONS | |
BR8201103A (en) | PROCESS FOR THE REMOVAL OF ACID GASES AND WATER SOLUTION AMMONIA | |
IT7919145A0 (en) | PROCEDURE FOR CONVERTING AMMONIUM IMIDODISULFATE, AMMONIUM SULFAMATE AND AMMONIUM DITHIONATE INTO SULFUR DIOXIDE AND AMMONIA. | |
BR8405592A (en) | MICROORGANISM, PROCESS FOR THE DECOMPOSITION OF S-TRIAZINE DERIVATIVES AND PROCESS FOR THE MICROBIOLOGICAL PURIFICATION OF AQUEOUS SOLUTIONS | |
BR7704415A (en) | PROCESS TO SEPARATE ACID GASES AND AMMONIA FROM A DILUTED WATER SOLUTION FROM THESE | |
BR8703760A (en) | PROCESS TO RECOVER AMMONIA AND FLUORIDE FROM AQUEOUS SOLUTIONS CONTAINING AMMONIUM FLUORIDE | |
DE69100811D1 (en) | METHOD FOR TREATING AN AQUEOUS SOLUTION CONTAINING IN PARTICULAR Nitric Acid and Hydrofluoric Acid. | |
BR8005864A (en) | PROCESS TO CONCENTRATE AQUEOUS UREA SOLUTIONS | |
GB2133919B (en) | Process for denitrating aqueous, nitric acid and salt containing waste solutions | |
BR8105218A (en) | PROCESS TO CONCENTRATE Aqueous GLYCOOL SOLUTIONS | |
BR8006886A (en) | PURIFICATION PROCESS, METAL REMOVAL PROCESS, SOLUTION, AND SYSTEM TO MAKE THE PROCESS EFFECT | |
BR8006247A (en) | CATALYST PELLETS AND PROCESS FOR DECOMPOSING Aqueous HYPOCLORITE SOLUTIONS | |
IT8024613A0 (en) | PROCESS FOR PURIFYING AQUEOUS SOLUTIONS OF ACRYLAMIDE. | |
KE3592A (en) | Process for the removal of urea,ammonia and carbon dioxide from dilute aqueous solutions | |
BR8700215A (en) | PROCESS FOR THE REMOVAL OF NITROGEN OXIDES, NXOY, CONTAINED IN RESIDUAL GASES FROM CATALYTIC AMMONIA OXIDATION FACILITIES | |
BR8107202A (en) | PROCESS FOR HYDROGEN AND AMMONIA SULPHIDE REMOVAL | |
BR8108144A (en) | PROCESS TO CONVERT CALCIUM NITRATE THROUGH AMMONIA AND CARBON DIOXIDE | |
BR8304065A (en) | HAIR CURLING SYSTEM, HAIR CURLING LOCATION AND HAIR CURLING PROCESS | |
BR7904878A (en) | PROCESS FOR HAIR TREATMENT, AND Aqueous Solution for Hair Moistening USED IN THE SAME | |
BR7508231A (en) | PROCESS TO PREPARE AN ALKALINE METAL ORTHOPHOSPHATE SOLUTION AND SIMULTANEOUSLY RECOVER AMMONIA | |
JPS53131964A (en) | Process for desulfurizing exhaust gas after denitraton | |
PL140060B2 (en) | Method of carrying out ion exchange processes involving nh4oh,hno3,nh3 and nh4oh containing aqueous solutions and apparatus therefor |